1 files changed, 1 insertions, 0 deletions
diff --git a/src/image/SkImage_Gpu.cpp b/src/image/SkImage_Gpu.cpp
index 4bd04e1f4c..f81708f051 100644
--- a/src/image/SkImage_Gpu.cpp
+++ b/src/image/SkImage_Gpu.cpp
@@ -857,6 +857,7 @@ sk_sp<SkImage> SkImage::MakeTextureFromMipMap(GrContext* ctx, const SkImageInfo&
                                               const GrMipLevel* texels, int mipLevelCount,
                                               SkBudgeted budgeted,
                                               SkDestinationSurfaceColorMode colorMode) {
+    SkASSERT(mipLevelCount >= 1);
     if (!ctx) {
         return nullptr;
     }